---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-491154 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 UTC 2026 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Address sizes: 40 bits physical, 48 bits virtual Byte Order: Little Endian CPU(s): 4 On-line CPU(s) list: 0-3 Vendor ID: AuthenticAMD Model name: AMD EPYC-Rome Processor CPU family: 23 Model: 49 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 4 Stepping: 0 BogoMIPS: 5599.99 Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm rep_good nopl cpuid extd_apicid tsc_known_freq pni pclmulqdq ssse3 fma cx16 sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm cmp_legacy svm cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw topoext perfctr_core ssbd ibrs ibpb stibp vmmcall fsgsbase tsc_adjust bmi1 avx2 smep bmi2 rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 clzero xsaveerptr wbnoinvd arat npt nrip_save umip rdpid arch_capabilities Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 128 KiB (4 instances) L1i cache: 128 KiB (4 instances) L2 cache: 2 MiB (4 instances) L3 cache: 64 MiB (4 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-3 Vulnerability Gather data sampling: Not affected Vulnerability Indirect target selection: Not affected Vulnerability Itlb multihit: Not affected Vulnerability L1tf: Not affected Vulnerability Mds: Not affected Vulnerability Meltdown: Not affected Vulnerability Mmio stale data: Not affected Vulnerability Reg file data sampling: Not affected Vulnerability Retbleed: Mitigation; untrained return thunk; SMT disabled Vulnerability Spec rstack overflow: Mitigation; SMT disabled Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl and seccomp Vulnerability Spectre v1: Mitigation; usercopy/swapgs barriers and __user pointer sanitization Vulnerability Spectre v2: Mitigation; Retpolines; IBPB conditional; STIBP disabled; RSB filling; PBRSB-eIBRS Not affected; BHI Not affected Vulnerability Srbds: Not affected Vulnerability Tsa: Not affected Vulnerability Tsx async abort: Not affected Vulnerability Vmscape: Not affected ---> nproc: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 1.6G 1.1M 1.6G 1% /run /dev/vda1 78G 13G 65G 17% / tmpfs 7.9G 0 7.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 1.6G 4.0K 1.6G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15989 639 8101 4 7248 15007 Swap: 1023 0 1023 ---> ip addr: 1: lo: mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: ens3: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:8a:72:ff brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.185/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84211sec preferred_lft 84211sec inet6 fe80::f816:3eff:fe8a:72ff/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 6a:1c:17:c0:a6:8c brd ff:ff:ff:ff:ff:ff inet 10.250.0.254/24 brd 10.250.0.255 scope global docker0 valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-491154) 03/16/26 _x86_64_ (4 CPU) 10:07:28 LINUX RESTART (4 CPU) 10:10:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:20:00 18.14 0.57 4.45 13.12 606.15 667.71 256048.89 10:30:00 1.60 0.01 1.59 0.00 0.04 18.29 0.00 10:40:00 87.44 3.25 71.78 12.41 155.48 31114.03 184927.91 Average: 35.73 1.27 25.94 8.51 253.89 10600.01 146992.27 10:10:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:20:00 13416024 15511668 502632 3.07 59400 2260408 1131508 6.49 400812 2288188 8 10:30:00 13415216 15511632 502804 3.07 60020 2260552 1131588 6.50 401432 2289204 12 10:40:00 8363464 14946044 1006400 6.15 152344 6515328 1543044 8.86 1459064 6113668 24 Average: 11731568 15323115 670612 4.10 90588 3678763 1268713 7.28 753769 3563687 15 10:10:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:20:00 lo 0.15 0.15 0.01 0.01 0.00 0.00 0.00 0.00 10:20:00 ens3 16.93 11.09 187.87 0.78 0.00 0.00 0.00 0.00 10:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:30:00 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 10:30:00 ens3 0.61 0.13 0.10 0.05 0.00 0.00 0.00 0.00 10:30:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:40:00 lo 0.41 0.41 0.05 0.05 0.00 0.00 0.00 0.00 10:40:00 ens3 245.08 197.06 1298.93 552.82 0.00 0.00 0.00 0.00 10:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.22 0.22 0.02 0.02 0.00 0.00 0.00 0.00 Average: ens3 87.54 69.43 495.63 184.55 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-491154) 03/16/26 _x86_64_ (4 CPU) 10:07:28 LINUX RESTART (4 CPU) 10:10:00 CPU %user %nice %system %iowait %steal %idle 10:20:00 all 0.46 0.00 0.14 0.12 0.02 99.26 10:20:00 0 0.66 0.00 0.15 0.11 0.01 99.06 10:20:00 1 0.39 0.00 0.15 0.32 0.02 99.12 10:20:00 2 0.31 0.00 0.12 0.03 0.02 99.52 10:20:00 3 0.48 0.00 0.13 0.03 0.02 99.34 10:30:00 all 0.05 0.00 0.03 0.01 0.02 99.90 10:30:00 0 0.01 0.00 0.01 0.00 0.01 99.97 10:30:00 1 0.05 0.00 0.06 0.03 0.02 99.84 10:30:00 2 0.11 0.00 0.03 0.00 0.02 99.83 10:30:00 3 0.02 0.00 0.02 0.00 0.01 99.94 10:40:00 all 23.17 0.00 1.62 0.40 0.06 74.75 10:40:00 0 27.39 0.00 1.74 0.46 0.06 70.36 10:40:00 1 26.95 0.00 1.33 0.30 0.06 71.36 10:40:00 2 18.53 0.00 1.50 0.50 0.05 79.42 10:40:00 3 19.81 0.00 1.91 0.36 0.06 77.86 Average: all 7.89 0.00 0.60 0.18 0.03 91.30 Average: 0 9.35 0.00 0.63 0.19 0.03 89.80 Average: 1 9.12 0.00 0.51 0.22 0.04 90.11 Average: 2 6.32 0.00 0.55 0.18 0.03 92.93 Average: 3 6.77 0.00 0.69 0.13 0.03 92.38